to put your ballsack or testies in a womens hairy vagina and have you penis or slong sitting overtop on their belly and then just sit wierdly and wait to se what happens
i was birdsnesting my mother last night and my dad walked in with my sister while they were birdsnesting upside down. ( isnt an example but its still pretty funny)
by adin butler and justin uglem December 3, 2011
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